Preheat the oven to 180°C/fan 160°C/gas 4.
In another lightly oiled frying pan, fry each tortilla for 30 seconds on one side until golden.
Put the turkey in the empty pan and warm through with the spices and stock.
Remove from the heat and stir in the jalapeño slices.
Divide the turkey mixture equally among each tortilla, roll up.
Spread one-third of the tomato sauce on the bottom of a large ovenproof dish.
Add the rolled tortillas to the dish.
Top with the rest of the sauce.
Dot with sour cream and sprinkle cheese.
Bake until cooked through and bubbling.